/* Copyright 2016 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

#ifndef TENSORFLOW_CC_FRAMEWORK_TESTUTIL_H_
#define TENSORFLOW_CC_FRAMEWORK_TESTUTIL_H_

#include <vector>

#include "tensorflow/cc/framework/ops.h"
#include "tensorflow/cc/framework/scope.h"

namespace tensorflow {
namespace test {

/// Computes the outputs listed in 'tensors', returns the tensors in 'out'.
void GetTensors(const Scope& scope, OutputList tensors,
                std::vector<Tensor>* out);

// Computes the outputs listed in 'tensors', returns the tensors in 'out'.
// assign_vars are extra outputs that should be run
// e.g. to assign values to variables.
void GetTensors(const Scope& scope, const std::vector<Output>& assign_vars,
                const OutputList& tensors, std::vector<Tensor>* out);

/// Computes the output 'tensor', returning the resulting tensor in 'out'.
void GetTensor(const Scope& scope, Output tensor, Tensor* out);

// Computes the output 'tensor', returning the resulting tensor in 'out'.
// assign_vars are extra outputs that should be run
// e.g. to assign values to variables.
void GetTensor(const Scope& scope, const std::vector<Output>& assign_vars,
               Output tensor, Tensor* out);

}  // namespace test
}  // namespace tensorflow

#endif  // TENSORFLOW_CC_FRAMEWORK_TESTUTIL_H_
